Chair locking mechanism



FIG. 1 is a perspective view of the chair locking mechanism;

FIG. 2 is a front view of the chair locking mechanism;

FIG. 3 is a rear view of the chair locking mechanism;

FIG. 4 is a left side view of the chair locking mechanism;

FIG. 5 is a right side view of the chair locking mechanism;

FIG. 6 is a top view of the chair locking mechanism;

FIG. 7 is a bottom view of the chair locking mechanism; and,

FIG. 8 is a perspective view of the chair locking mechanism within an unclaimed environment of use.

The broken lines in FIG. 8 represent unclaimed environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a locking chair mechanism, as shown and described. 